<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="学号" prop="sid">
        <el-input
          v-model="queryParams.sid"
          placeholder="请输入学号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="姓名" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入姓名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="性别" prop="gender">
        <el-input
          v-model="queryParams.gender"
          placeholder="请输入性别"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学院" prop="college">
        <el-input
          v-model="queryParams.college"
          placeholder="请输入学院"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="专业" prop="professional">
        <el-input
          v-model="queryParams.professional"
          placeholder="请输入专业"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="班级" prop="class_">
        <el-input
          v-model="queryParams.class"
          placeholder="请输入班级"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:students:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:students:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:students:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:students:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="studentsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="学号" align="center" prop="sid" />
      <el-table-column label="姓名" align="center" prop="name" />
      <el-table-column label="性别" align="center" prop="gender" />
      <el-table-column label="学院" align="center" prop="college" />
      <el-table-column label="专业" align="center" prop="professional" />
      <el-table-column label="班级" align="center" prop="class_" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button type="text" size="mini" @click="findAddress(scope.row)">查看地址</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:students:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:students:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改【请填写功能名称】对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="学号" prop="sid">
          <el-input v-model="form.sid" placeholder="请输入学号" />
        </el-form-item>
        <el-form-item label="姓名" prop="name">
          <el-input v-model="form.name" placeholder="请输入姓名" />
        </el-form-item>
        <el-form-item label="性别" prop="gender">
          <el-input v-model="form.gender" placeholder="请输入性别" />
        </el-form-item>
        <el-form-item label="学院" prop="college">
          <el-input v-model="form.college" placeholder="请输入学院" />
        </el-form-item>
        <el-form-item label="专业" prop="professional">
          <el-input v-model="form.professional" placeholder="请输入专业" />
        </el-form-item>
        <el-form-item label="班级" prop="class_">
          <el-input v-model="form.class_" placeholder="请输入班级" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
      <!-- echart -->
  <div id="main" style="height: 500px; width: 600px"></div>
  <div id="myMap" ref="mapRef" style="width: 500px;height: 500px;"></div>
  </div>


</template>

<script>
import { listStudents, getStudents, delStudents, addStudents, updateStudents,countStudents } from "@/api/student/students";




export default {
  name: "Students",
  data() {
    return {
      // 遮罩层
      loading: true,
      //echarts
      echartsData: [
        { value: 40, name: '男' },
        { value: 33, name: '女' }
      ],
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 【请填写功能名称】表格数据
      studentsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        sid: null,
        name: null,
        gender: null,
        college: null,
        professional: null,
        class_: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        sid: [
          { required: true, message: "学号不能为空", trigger: "blur" }
        ],
        name: [
          { required: true, message: "姓名不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },

  mounted(){
    this.getSex();
    this.findAddress();
  },
  methods: {
    findAddress(){
      alert("这里是一个地图弹窗")
      this.map = new BMap.Map("myMap", { enableMapClick: false});
      const pointCenter = new BMap.Point(111.725903,40.812759);
      this.map.centerAndZoom(pointCenter,15);
      var Point = new BMap.Point(111.725903,40.812759);
      var marker = new BMap.marker(point);
      this.map.addOverlay(marker);
    },
    getSex(){
      countStudents().then(res =>{
        this.echartsData = res;
        this.initCharts();
      }
      );
    },
    initCharts(){
      const chartBox = this.$echarts.init(document.getElementById("main"));
     const option = {
  title: {
    text: '男女比例',
    subtext: 'Fake Data',
    left: 'center'
  },
  tooltip: {
    trigger: 'item',
    formatter: '{a} <br/>{b} : {c} ({d}%)'
  },
  legend: {
    left: 'center',
    top: 'bottom',
    data: [
      'rose1',
      'rose2',
      'rose3',
      'rose4',
      'rose5',
      'rose6',
      'rose7',
      'rose8'
    ]
  },
  toolbox: {
    show: true,
    feature: {
      mark: { show: true },
      dataView: { show: true, readOnly: false },
      restore: { show: true },
      saveAsImage: { show: true }
    }
  },
  series: [
    {
      type: 'pie',
      radius: [20, 140],
      center: ['25%', '50%'],
      roseType: 'radius',
      itemStyle: {
        borderRadius: 5
      },
      label: {
        show: false
      },
      emphasis: {
        label: {
          show: true
        }
      },
      data:this.echartsData,
    },
  ]
};
  chartBox.setOption(option);
    },
    /** 查询【列表 */
    getList() {
      this.loading = true;
      listStudents(this.queryParams).then(response => {
        this.studentsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        sid: null,
        name: null,
        gender: null,
        college: null,
        professional: null,
        class: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.sid)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加学生信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const sid = row.sid || this.ids
      getStudents(sid).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改学生信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.sid != null) {
            updateStudents(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addStudents(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const sids = row.sid || this.ids;
      this.$modal.confirm('是否确认删除学号为"' + sids + '"的数据？').then(function() {
        return delStudents(sids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/students/export', {
        ...this.queryParams
      }, `students_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
